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US Patent: RE2,712
Improved Machine for Making Augers
Patentees:
William W. Grier - Hulton, PA
Robert H. Boyd - Hulton, PA

USPTO Classifications:
72/64, 72/95

Tool Categories:
tool making : making drills and augers
woodworking tools : hand drills : drill bits : auger bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James M. Taylor
J. A. Carline

Patent Dates:
Granted: Aug. 06, 1867

Reissue Information:
Reissue of 54,893 (May 22, 1866)

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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